JKS Bioscience Limited, London School of Hygiene & Tropical Medicine, Government of the United Kingdom - Royal Navy, Public Health England Colindale, London School of Hygiene & Tropical Medicine, Bavarian Nordic A/S, London School of Hygiene & Tropical Medicine, Bavarian Nordic GmbH, University of California, Los Angeles (UCLA) - Jonathan and Karin Fielding School of Public Health, Royal Centre of Defence Medicine, Nigeria Centre for Disease Control (NCDC), University of Cambridge - Department of Zoology, University College London - Institute for Global Health, Bavarian Nordic A/S, Government of the United States of America - Division of High Consequence Pathogens and Pathology, University of Cambridge - Department of Zoology, Forge Veterinary Centre, Niger Delta University (NDU), Nigeria Centre for Disease Control (NCDC), Government of the United States of America - Centers for Disease Control and Prevention (CDC), Bavarian Nordic, Inc., Government of the United Kingdom - SO1 Public Health and Health Protection, University of California, Los Angeles (UCLA) - Department of Epidemiology, Government of the United Kingdom - Defence Science & Technology Laboratory and Government of the United Kingdom - National Health Service (NHS)